NA3100-FLAT-TOP | Circuit Breaker | 100A | 3-Pole | 240V

Engineered for industrial panels and fleet maintenance, the NA3100-FLAT-TOP circuit breaker delivers reliable protection for 3‑phase 240V systems. With a 100A rating and 3‑pole configuration, this unit is designed to plug into compatible enclosures and busbar layouts where a flat-top form factor is required. Use it as a retrofit, replacement, or maintenance part when your panel's specs align with the NA3100-FLAT-TOP.

• 100A amperage for main or feeder protection in medium-load circuits
• 3-Pole configuration for balanced protection across three phases
• 240V operation for standard industrial three‑phase power
• Flat-Top design for secure mounting in compatible panels and busbar arrangements
• Best compatibility reference: use the part number NA3100-FLAT-TOP as the primary reference when verifying fit
• Intended uses: maintenance, retrofit, or replacement where exact specs matter

Ideal use cases

• Maintenance: swap-in replacements during routine service to minimize downtime
• Retrofit: upgrade old panels to modern 3‑phase protection with reliable performance
• Replacement: standard part for field replacements in industrial control systems
• Enclosure compatibility: verify the enclosure accepts a flat-top style breaker and 3‑pole, 240V devices

Buying with confidence

• Notes: Confirm fit and ratings before ordering. The part number NA3100-FLAT-TOP is the best reference for compatibility with your panel. If your panel label or service documentation calls out a flat-top, 3‑pole 240V breaker in this family, this unit is a strong match.

Practical installation and safety tips

• Power off and follow proper lockout/tagout procedures before any replacement or retrofit
• Cross-check panel documentation to ensure busbar and enclosure compatibility with a flat-top 3‑pole 240V breaker
• Keep a compatible spare on hand to reduce downtime during routine maintenance or emergencies